Answer:
25
Step-by-step explanation:
maybe this will help you
All you need to remember is that the symbol ' % ' means ' /100 ',
and your life will be easy.
Answer:
x = -3
Step-by-step explanation:
x is -3 in all values so we just write an equation.
For this case we have the following equation:

Where,
w: The weight of a spring in pounds
E: the energy stored by the spring in joules.
Substituting values we have:

Making the corresponding calculation:
Answer:
the approximate weight of the spring in pounds is: